<template>
    <div class="component-upload-image">
      <el-upload
        :action="uploadImgUrl"
        list-type="picture-card"
        :on-success="handleUploadSuccess"
        :before-upload="handleBeforeUpload"
        :on-error="handleUploadError"
        name="file"
        :show-file-list="false"
        :headers="headers"
        style="display: inline-block; vertical-align: top"
      >
        <el-image v-if="!value" :src="value">
          <div slot="error" class="image-slot">
            <i class="el-icon-plus" />
          </div>
        </el-image>
        <div v-else class="image">
          <el-image :src="value" :style="`width:100px;height:100px;`" fit="fill"/>
          <div class="mask">
            <div class="actions">
              <span title="预览" @click.stop="dialogVisible = true">
                <i class="el-icon-zoom-in" />
              </span>
              <span title="移除" @click.stop="removeImage">
                <i class="el-icon-delete" />
              </span>
            </div>
          </div>
        </div>
      </el-upload>
      <el-dialog :visible.sync="dialogVisible" title="预览" width="800" append-to-body>
        <img :src="value" style="display: block; max-width: 100%; margin: 0 auto;">
      </el-dialog>
    </div>
  </template>
  
  <script>
//   import { getToken } from "@/utils/auth";
  
  export default {
    data() {
      return {
        dialogVisible: false,
        uploadImgUrl: process.env.NODE_ENV == 'development' ? '/api/common/upload' : '/prod-api/common/upload', // 上传的图片服务器地址
        headers: {
           
        },
      };
    },
    props: {
      value: {
        type: String,
        default: "",
      },
    },
    methods: {
      removeImage() {
        this.$emit("input", "");
      },
      handleUploadSuccess(res) {
        console.log(res);
        this.$emit("input", res.data.fileUrl);
        this.$emit("setFileFrom", res.data);
        this.loading.close();
      },
      handleBeforeUpload() {
        this.loading = this.$loading({
          lock: true,
          text: "上传中",
          background: "rgba(0, 0, 0, 0.7)",
        });
      },
      handleUploadError() {
        this.$message({
          type: "error",
          message: "上传失败",
        });
        this.loading.close();
      },
    },
    watch: {},
  };
  </script>
  
  <style scoped lang="scss">
  .image {
    position: relative;
    .mask {
      opacity: 0;
      position: absolute;
      top: 0;
      width: 100%;
      background-color: rgba(0, 0, 0, 0.5);
      transition: all 0.3s;
    }
    &:hover .mask {
      opacity: 1;
    }
    
  }
  </style>
  <style scoped>
  .component-upload-image>>>.el-upload--picture-card{
    width: 100px;
    height: 100px;
    line-height: 100px;
  }
  </style>